diff --git a/.bazelversion b/.bazelversion
new file mode 100644
index 0000000..37ad5c8
--- /dev/null
+++ b/.bazelversion
@@ -0,0 +1 @@
+9.0.1
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 90fd9ba..2bcd3e6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -25,7 +25,7 @@ jobs:
             phase8_target: windows
     runs-on: ${{ matrix.os }}
     env:
-      USE_BAZEL_VERSION: 9.0.0
+      USE_BAZEL_VERSION: 9.0.1
     steps:
       - uses: actions/checkout@v4
       - uses: bazel-contrib/setup-bazel@0.18.0
diff --git a/.github/workflows/pages.yml b/.github/workflows/pages.yml
index e607f1c..f873d13 100644
--- a/.github/workflows/pages.yml
+++ b/.github/workflows/pages.yml
@@ -23,7 +23,7 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     env:
-      USE_BAZEL_VERSION: 9.0.0
+      USE_BAZEL_VERSION: 9.0.1
     environment:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}
diff --git a/flake.nix b/flake.nix
index e8fe2b0..a16f2ad 100644
--- a/flake.nix
+++ b/flake.nix
@@ -15,7 +15,7 @@
       ...
     }:
     let
-      bazelVersion = "9.0.0";
+      bazelVersion = "9.0.1";
     in
     repo-lib.lib.mkRepo {
       inherit self nixpkgs;
diff --git a/tests/ci_test/phase8_ci_matrix_shape_test.sh b/tests/ci_test/phase8_ci_matrix_shape_test.sh
index 3047044..02333c2 100755
--- a/tests/ci_test/phase8_ci_matrix_shape_test.sh
+++ b/tests/ci_test/phase8_ci_matrix_shape_test.sh
@@ -17,7 +17,7 @@ check_pattern() {
 }
 
 check_pattern '^name:[[:space:]]+CI$' "missing workflow name CI"
-check_pattern 'USE_BAZEL_VERSION:[[:space:]]+9\.0\.0' "missing Bazel 9.0.0 pin"
+check_pattern 'USE_BAZEL_VERSION:[[:space:]]+9\.0\.1' "missing Bazel 9.0.1 pin"
 check_pattern 'os:[[:space:]]+ubuntu-latest' "missing ubuntu matrix entry"
 check_pattern 'phase8_target:[[:space:]]+linux-x64' "missing linux-x64 matrix target"
 check_pattern 'os:[[:space:]]+macos-14' "missing macos matrix entry"